Abstract
Abstract Drought stress and zinc (Zn) deficiency are serious abiotic stress factors limiting crop production in Turkey, especially in Central Anatolia. In this study, the effects of Zn deficiency and drought stress on grain yield of 20 wheat cultivars (16 bread wheat, Triticum aestivum ; four durum wheat, Triticum durum cultivars) were investigated over 2 years under rainfed and irrigated conditions in Central Anatolia where drought and Zn deficiency cause substantial yield reductions. Plants were treated with (+Zn: 23 kg Zn ha −1 , as ZnSO 4 ·7H 2 O) and without (−Zn) Zn under rainfed and irrigated conditions. Both Zn deficiency and rainfed treatments resulted in substantial decreases in grain yield. Significant differences were determined between both bread wheat and durum wheat cultivars in terms of drought stress tolerance. Considering drought sensitivity indices over 2 years, the bread wheat cultivars Yayla‐305, Gerek‐79, Dagdas‐94 and Bolal‐2973 were found to be more drought‐tolerant than the other cultivars under both −Zn and +Zn treatments. Especially the durum wheat cultivars Cakmak 79 and Selcuklu 97 showed much greater drought susceptibility under Zn deficiency, and irrigation alone was not sufficient to obtain satisfying grain yield without Zn application. The results indicate that sensitivity to Zn deficiency stress became more pronounced when plants were drought‐stressed. The effect of irrigation on grain yield was maximized when Zn was adequately supplied, leading to the suggestion that efficient water use in Central Anatolia seems to be highly dependent on the Zn nutritional status of plants.
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Claims 9
Claim · model-written summary
Zinc deficiency decreased wheat grain yield.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Zn deficiencye0
- Outcome
- grain yielde0
- Direction
- decreasese0
- Qualifier
- substantiale0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both Zn deficiency and rainfed treatments resulted in substantial decreases in grain yield.”
t0“Wheat Cultivars”
Claim · model-written summary
Rainfed conditions decreased wheat grain yield.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- rainfed treatmentse0
- Outcome
- grain yielde0
- Direction
- decreasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both Zn deficiency and rainfed treatments resulted in substantial decreases in grain yield.”
t0“Wheat Cultivars”
Claim · model-written summary
Bread and durum wheat cultivars differed significantly in drought tolerance.
- Taxon
- wheatTriticum aestivume0
- Outcome
- drought stress tolerancee0
- Direction
- differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant differences were determined between both bread wheat and durum wheat cultivars in terms of drought stress tolerance.”
Claim · model-written summary
Yayla‐305, Gerek‐79, Dagdas‐94 and Bolal‐2973 were more drought tolerant than other cultivars under both zinc treatments.
- Taxon
- bread wheatTriticum aestivume0
- Material
- Yayla‐305, Gerek‐79, Dagdas‐94 and Bolal‐2973e0
- Outcome
- drought‐tolerante0
- Direction
- moree0
- Qualifier
- under both −Zn and +Zn treatmentse0
- Comparator
- the other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the bread wheat cultivars Yayla‐305, Gerek‐79, Dagdas‐94 and Bolal‐2973 were found to be more drought‐tolerant than the other cultivars under both −Zn and +Zn treatments.”
Claim · model-written summary
Cakmak 79 and Selcuklu 97 had greater drought susceptibility under zinc deficiency.
- Taxon
- durum wheat
Triticum turgidum subsp. durume0 - Material
- Cakmak 79 and Selcuklu 97e0
- Outcome
- drought susceptibilitye0
- Direction
- greatere0
- Qualifier
- under Zn deficiencye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the durum wheat cultivars Cakmak 79 and Selcuklu 97 showed much greater drought susceptibility under Zn deficiency”
Claim · model-written summary
Irrigation alone did not provide satisfying yield without zinc application for the susceptible durum cultivars.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- satisfying grain yielde0
- Qualifier
- without Zn applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“irrigation alone was not sufficient to obtain satisfying grain yield without Zn application.”
t0“Wheat Cultivars”
Claim · model-written summary
Drought stress made wheat sensitivity to zinc deficiency more pronounced.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- drought‐stressede0
- Outcome
- sensitivity to Zn deficiency stresse0
- Direction
- more pronouncede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sensitivity to Zn deficiency stress became more pronounced when plants were drought‐stressed.”
t0“Wheat Cultivars”
Claim · model-written summary
Irrigation had its maximum effect on grain yield with adequate zinc supply.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- irrigatione0
- Outcome
- grain yielde0
- Direction
- maximizede0
- Qualifier
- Zn was adequately suppliede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of irrigation on grain yield was maximized when Zn was adequately supplied”
t0“Wheat Cultivars”
Claim · model-written summary
Efficient water use in Central Anatolia appears highly dependent on zinc nutritional status.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- efficient water usee0
- Qualifier
- Zn nutritional statuse0
- Setting
- Central Anatoliae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“efficient water use in Central Anatolia seems to be highly dependent on the Zn nutritional status of plants.”
t0“Wheat Cultivars”
The same questions in other papers
zinc atom · yield · Triticum aestivum (wheat)Results differ
455 papers in the same direction as this paper · 49 in the opposite direction · 6 reporting no difference from an alternative
This paper is about lacking the nutrient, so it counts the other way round here.
- no effect
- positive
- positive
507 papers more in this group
See all 511 papers →rainfall · yield · Triticum aestivum (wheat)Results differ
48 papers in the same direction as this paper · 32 in the opposite direction
- positive
- positive
- positive
77 papers more in this group
See all 81 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.